Temperature Gauge: Testing and Inspection

Fig. 19, Checking Water Temp. Gauge (626/MX-6):

1. Remove instrument cluster.
2. Apply battery voltage to terminal 2G and ground terminal 1C, Fig. 19, then connect red lead of checker 49 0839 285 to terminal 1l and ground black lead.
3. Set the checker to 20.4 ohms. Gauge should indicate Hot.
4. Set the checker to 183.4 ohms. Gauge should indicate Cold.
5. If gauge indicates correctly, repair wiring harness or replace water thermosensor.
6. If gauge does not indicate correctly, replace water temperature gauge.